# IntervalMap [](https://hackage.haskell.org/package/IntervalMap) [](https://travis-ci.org/bokesan/IntervalMap)
*@GitHub users:* please base pull requests on the *develop* branch. Thanks.
Containers for intervals. Like `Data.Set` and `Data.Map` with
Intervals as keys and functions for efficiently getting the subset
of all intervals containing a point, intersecting an interval, and more.
Home page and documentation: [http://www.chr-breitkopf.de/comp/IntervalMap/index.html](http://www.chr-breitkopf.de/comp/IntervalMap/index.html)
Install from hackage with cabal install.
To run the tests, extract the archive, and do
$ cabal configure --enable-tests
$ cabal build
$ cabal test